* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
// constructor 1
Ellipse2D e = new Ellipse2D.Double();
harness.check(e.getX(), 0.0);
harness.check(e.getY(), 0.0);
harness.check(e.getWidth(), 0.0);
harness.check(e.getHeight(), 0.0);
harness.check(e.isEmpty());
// constructor 2
e = new Ellipse2D.Double(1.0, 2.0, 3.0, 4.0);
harness.check(e.getX(), 1.0);
harness.check(e.getY(), 2.0);
harness.check(e.getWidth(), 3.0);
harness.check(e.getHeight(), 4.0);
harness.check(!e.isEmpty());
}